package AppleCakeMining;

import java.util.HashMap;

public class Mappings {
	private static Mappings instance;
	public HashMap<String, Integer> songMappings;
	public HashMap<String, Integer> userMappings;
	
	private Mappings() {
		songMappings = new HashMap<String, Integer>();
		userMappings = new HashMap<String, Integer>();
	}
	public static Mappings getInstance() {
		if(instance == null) {
			instance = new Mappings();
		}
		return instance;
	}
	public void clear() {
		songMappings = null;
		userMappings = null;
	}
}
